{"product_id":"gy6-50cc-139qmb-pulley","title":"GY6 50cc (139QMB) Pulley","description":"\u003ch2\u003eGY6 50cc Pulley for 50cc Scooters\u003c\/h2\u003e\u003cp\u003eThis pulley is made for scooters running the 139QMB engine. It controls how the automatic transmission engages, which affects both how quickly the scooter pulls away and how fast it can go. As one of the core \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e, it has a real effect on how the ride feels. Swapping it out can bring back lost power and quick response.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eThe variator and roller weights inside this pulley set how well the scooter gets moving and how high it can climb in speed. Worn or damaged rollers often lead to slow takeoff and a lower top speed. The roller weight you pick can tilt the balance toward faster acceleration or better cruising speed, depending on how you ride.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 50cc (139QMB) engine on CSC Go Max transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eCSC Go Max (GY6 50cc, 139QMB engine)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check the engine code stamped on the engine case or its label. It should read 139QMB.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e Refer to part #8 on the CSC Go Max transmission diagram.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlso offered:\u003c\/strong\u003e \u003ca href=\"\/products\/ptfe-coated-variator-pulley-for-gy6-50cc-139qmb-50cc\"\u003ePTFE-Coated Variator Pulley for GY6 50cc (139QMB), 50cc\u003c\/a\u003e (PTFE-coated, Golden Performance variator).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-variators-rollers\"\u003eScooter Variators \u0026amp; Roller Weights\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51138778169401,"sku":"TT-26684","price":15.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/pulley-for-gy6-50cc-139qmb-1.jpg?v=1794377719","url":"https:\/\/www.trendtimes.com\/products\/gy6-50cc-139qmb-pulley","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}